Version: (using Devel) Installed from: Compiled sources Steps to reproduce: 1) create a new event, for example on monday 2) set it to recurs every 2 days 3) go to the "week" view 4) change the start/end time dragging the top/bottom border of the first event 5) korganizer will ask which events you want to modify, select "only future itmes" At this point I see all events duplicated, the fist is triplicated and after a while all duplicates will disappear, but the first event will be duplicated. I'll attach an example video.
Created attachment 25592 [details] example video
I can reproduce this bug on svn trunk r865619.
I can't reproduce this with current trunk, can you retest?